head-tail program from James Prior. See https://github.com/james-prior/headtail.git for more information.
(Original README.md) The ht command combines the head and tail programs.
NAME
ht - (headtail) output the beginning and ending of files
SYNOPSIS
ht [OPTION]... [FILE]...
Print the beginning and ending of each file.
Prints '...' for omitted lines.
Defaults to first 10 and last 10 lines.
Standard input may be specified by - argument.
If no file is specified, uses standard input.
Prints header lines if more than one file.
Prints a blank line between output of multiple files.
OPTIONS
-n, --lines=n
Specify the number of lines from beginning and end of file to print.
--head-lines=n
Specify the number of lines from beginning of file to print.
--tail-lines=n
Specify the number of lines from end of file to print.
-v, --verbose
Print headers.
-q, --quiet, --silent
Do not print headers.
--help
Show this and quit.
EXAMPLES
ls -ltr ~ | ht -20
Shows first 20 and last 20 lines of output of previous command.
ht --head-lines=1 --tail-lines=3 *.py
Shows first line and last three lines of each *.py file.